# algebra

log9 1= _______ (fill in the blank)

Let x=log2 1/32 . Write the exponential form of the equation and solve the equation for x.

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1. a)
Log 1 to any base is zero.

x = log21/32
= -log2 32
= -log225
= -5

Note:
lognnx
= x

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posted by MathMate
2. LOG5(X+7)=LOG3(X-4)+LOG3(X_2-LOG3 X=

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posted by MIKE

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